Best approximation in von Neumann algebras

DOI10.1017/S0305004100053305zbMath0344.46125OpenAlexW2087476053MaRDI QIDQ4112982

A. Guyan Robertson

Publication date: 1977

Published in: Mathematical Proceedings of the Cambridge Philosophical Society (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1017/s0305004100053305

Mathematics Subject Classification ID

General theory of von Neumann algebras (46L10) Abstract approximation theory (approximation in normed linear spaces and other abstract spaces) (41A65)

Related Items (3)

Leibniz seminorms and best approximation from \(C^*\)-subalgebras ⋮ Inner ideals, compact tripotents and Chebyshev subtriples of \(\mathrm{JB}^*\)-triples and \(\mathrm C^*\)-algebras ⋮ Chebyshev subspaces of JBW\(^{\ast}\)-triples

Cites Work

• The norm of a derivation
• Order ideals in a \(C^*\)-algebra and its dual
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